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Limit the amount of time to wait for BonJour to shutdown

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This commit is contained in:
Kovid Goyal 2019-04-15 10:26:57 +05:30
parent 7548a52e3d
commit 96746583a2
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GPG Key ID: 06BC317B515ACE7C
5 changed files with 20 additions and 13 deletions
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5
src/calibre/srv/bonjour.py
View File

@ -11,8 +11,9 @@ from threading import Event
class BonJour(object): # {{{
def __init__(self, name='Books in calibre', service_type='_calibre._tcp', path='/opds', add_hostname=True):
def __init__(self, name='Books in calibre', service_type='_calibre._tcp', path='/opds', add_hostname=True, wait_for_stop=True):
self.service_name = name
self.wait_for_stop = wait_for_stop
self.service_type = service_type
self.add_hostname = add_hostname
self.path = path
@ -42,6 +43,6 @@ class BonJour(object): # {{{
self.shutdown.wait()
for s in mdns_services:
unpublish(*s, add_hostname=self.add_hostname)
unpublish(*s, add_hostname=self.add_hostname, wait_for_stop=self.wait_for_stop)
self.stopped.set()
# }}}

2
src/calibre/srv/embedded.py
View File

@ -66,7 +66,7 @@ class Server(object):
self.handler = Handler(library_broker, opts, notify_changes=notify_changes)
plugins = self.plugins = []
if opts.use_bonjour:
plugins.append(BonJour())
plugins.append(BonJour(wait_for_stop=max(0, opts.shutdown_timeout - 0.2)))
self.opts = opts
self.log, self.access_log = log, access_log
self.handler.set_log(self.log)

2
src/calibre/srv/standalone.py
View File

@ -75,7 +75,7 @@ class Server(object):
self.handler.router.ctx.search_the_net_urls = json.load(f)
plugins = []
if opts.use_bonjour:
plugins.append(BonJour())
plugins.append(BonJour(wait_for_stop=max(0, opts.shutdown_timeout - 0.2)))
self.loop = ServerLoop(
create_http_handler(self.handler.dispatch),
opts=opts,

2
src/calibre/srv/tests/loop.py
View File

@ -119,7 +119,7 @@ class LoopTest(BaseTest):
from zeroconf import Zeroconf
else:
from calibre.utils.Zeroconf import Zeroconf
b = BonJour()
b = BonJour(wait_for_stop=False)
with TestServer(lambda data:(data.path[0] + data.read()), plugins=(b,), shutdown_timeout=5) as server:
self.assertTrue(b.started.wait(5), 'BonJour not started')
self.ae(b.advertised_port, server.address[1])

22
src/calibre/utils/mdns.py
View File

@ -191,7 +191,7 @@ def publish(desc, service_type, port, properties=None, add_hostname=True, use_ip
return service
def unpublish(desc, service_type, port, properties=None, add_hostname=True):
def unpublish(desc, service_type, port, properties=None, add_hostname=True, wait_for_stop=True):
'''
Unpublish a service.
@ -201,13 +201,19 @@ def unpublish(desc, service_type, port, properties=None, add_hostname=True):
service = create_service(desc, service_type, port, properties, add_hostname)
server.unregister_service(service)
if len(server.services) == 0:
stop_server()
stop_server(wait_for_stop=wait_for_stop)
def stop_server():
def stop_server(wait_for_stop=True):
global _server
if _server is not None:
try:
_server.close()
finally:
_server = None
srv = _server
_server = None
if srv is not None:
t = Thread(target=srv.close)
t.daemon = True
t.start()
if wait_for_stop:
if wait_for_stop is True:
t.join()
else:
t.join(wait_for_stop)